code: def default_params(cls):
      scenario_params = super(
          CalamariScenarioBase, cls
      ).default_params()
      scenario_params.export_serve = True
      scenario_params.export_net_config = False
      scenario_params.default_serve_dir = "best.ckpt"
      scenario_params.scenario_params_filename = (
          "scenario_params.json"  # should never be written!
      )
      scenario_params.trainer_params_filename = "best.ckpt.json"
      return scenario_params
  
file_path: calamari/calamari_ocr/ocr/scenario.py
imports: import os
  from typing import Type, TYPE_CHECKING
  from tfaip.scenario.scenariobase import ScenarioBase, TScenarioParams, TTrainerPipelineParams
  from tfaip.trainer.optimizer import AdamOptimizer
  from tfaip.trainer.scheduler import Constant
  from calamari_ocr.ocr.scenario_params import CalamariScenarioParams, CalamariEnsembleScenarioParams
  from calamari_ocr.ocr.training.pipeline_params import CalamariDefaultTrainerPipelineParams, CalamariTrainOnlyPipelineParams
label_desc: Use image node_id 2 for calling the CalamariScenarioBase obj's underlying member method code with example usage: obj.default_params(cls) and returns: scenario_params